from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The ammonium salt of bitumen sulfonate; used to treat some forms of skin diseases
from the GNU version of the Collaborative International Dictionary of English
- n. An oily substance prepared by the dry distillation of a bituminous mineral containing fossil fishes. It is used in medicine as a remedy in some forms of skin diseases.
from The Century Dictionary and Cyclopedia
- n. A syrupy liquid with a bituminous odor and taste, prepared by the dry distillation of a bituminous mineral containing fossil fishes. It has been used externally in the treatment of various skin-diseases.
Ancient Greek ἰχθύς ("fish") + -ol (Wiktionary)